ESP32-S3-MOD-8M Module (8MB Flash, Wi-Fi & BLE 5)
ESP32-S3-MOD-8M Module (8MB Flash, Wi-Fi & BLE 5) - Image 2
SKU: IOWC-1799
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ESP32-S3-MOD-8M Module (8MB Flash, Wi-Fi & BLE 5)

₹413.00 (Inclusive of all taxes)
Out of Stock

The ESP32-S3-MOD-8M is a compact, surface-mount wireless module based on the dual-core ESP32-S3 SoC, featuring 8MB of flash memory and integrated Wi-Fi 802.11 b/g/n and Bluetooth 5 LE connectivity. It is designed for low-power IoT applications and is fully compatible with the ESP32-S3-WROOM-1 pinout for easy integration.

Features

  • Powered by a dual-core Xtensa LX7 processor running at up to 240 MHz for demanding IoT and edge AI tasks.
  • Integrates 8MB of SPI flash memory for ample application code and data storage.
  • Features concurrent Wi-Fi 802.11 b/g/n and Bluetooth 5 LE connectivity for versatile wireless communication.
  • Supports ultra-low power modes with a deep sleep current as low as 10 µA for battery-operated designs.
  • Includes native USB 1.1 OTG interface and a comprehensive set of peripherals (UART, SPI, I2C, I2S, ADC, PWM).

Out of stock

Description

The ESP32-S3-MOD-8M module encapsulates the full capabilities of the ESP32-S3 microcontroller into a compact, SMT-ready form factor measuring 19.2mm x 18mm. Its dual-core Xtensa LX7 architecture provides the processing headroom needed for advanced applications like voice recognition, audio processing, and real-time sensor data fusion, while the integrated 8MB flash offers significant storage for firmware and file systems.

Engineered for robust and flexible deployment, the module operates from a 3.0V to 3.6V supply and is rated for an industrial temperature range of -40°C to +85°C. Its wireless stack supports station, soft-AP, and promiscuous modes, enabling it to function as an IoT endpoint, a BLE-to-Wi-Fi bridge, or a network gateway. The on-board PCB trace antenna simplifies RF design, and the pinout compatibility with the ESP32-S3-WROOM-1 allows for seamless migration from prototype to production.

Key Features

  • High-performance dual-core Xtensa LX7 microcontroller for efficient data processing.
  • Generous 8MB SPI flash memory for complex application logic and OTA updates.
  • Integrated 2.4GHz RF with support for Wi-Fi 802.11b/g/n and Bluetooth 5 LE with Mesh.
  • Ultra-low power consumption profile featuring multiple sleep modes for extended battery life.
  • Native USB 1.1 OTG support for direct connection to peripherals or acting as a USB device.
  • Rich set of I/O interfaces including UART, SPI, I2C, I2S, PWM, ADC, and touch sensors.
  • Industrial-grade reliability with operation from -40°C to +85°C.
  • Compact, SMT-compatible footprint with a 1.27mm pad pitch for high-density PCB designs.

Applications

  • Smart home automation hubs and sensor nodes.
  • Voice-controlled assistants and audio processing devices.
  • Industrial IoT (IIoT) telemetry and monitoring gateways.
  • Bluetooth Low Energy (BLE) to Wi-Fi bridge devices.
  • Wearable electronics and portable consumer gadgets.
  • AIoT edge devices running TinyML inference models.

Technical Specifications

Microcontroller / SoCESP32-S3 Dual-core Xtensa LX7 @ 240 MHz
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 5.0 LE
Frequency Range2.4 GHz ISM Band
RF Transmit PowerUp to +20 dBm (Wi-Fi)
Supply Voltage3.0V - 3.6V
Operating CurrentApprox. 40-80 mA (active, Wi-Fi TX)
Sleep CurrentLight Sleep: ~800 µA, Deep Sleep: ~10 µA
InterfacesUSB 1.1 OTG, UART, SPI, I2C, I2S, PWM, ADC, GPIO, Touch Sensors
Antenna ConnectorIntegrated PCB Trace Antenna
Operating Temperature-40°C to +85°C
Dimensions19.2 mm (L) x 18.0 mm (W)

Frequently Asked Questions

What development frameworks are supported for the ESP32-S3-MOD-8M?

The module is fully supported by the official Espressif IoT Development Framework (ESP-IDF) for maximum control and performance. It is also compatible with the Arduino Core for ESP32 via the Arduino IDE and PlatformIO, allowing for rapid prototyping. For MicroPython enthusiasts, a dedicated port for the ESP32-S3 provides a Pythonic environment for development. All frameworks support the module's full feature set including Wi-Fi, Bluetooth, USB OTG, and the rich peripheral interfaces.

How do I power the ESP32-S3-MOD-8M module in my design?

Provide a stable 3.3V DC power supply within the 3.0V to 3.6V range to the VDD pin, ensuring sufficient current capability for peak RF transmission (up to 500mA recommended). Decoupling capacitors close to the power pins are crucial for stable operation. For battery-powered applications, leverage the chip's advanced power management unit and multiple sleep modes to minimize average consumption. The deep sleep mode, drawing only around 10 µA, is ideal for long-term sensor deployments where periodic wake-ups are sufficient.

Can I use an external antenna with this module?

The ESP32-S3-MOD-8M comes with an integrated PCB trace antenna, which is sufficient for most short to medium-range applications. If you require extended range or need to place the antenna remotely, you must design your PCB to accommodate an external antenna option. This involves leaving the RF trace unterminated and providing a matching network and connector (like an IPEX or SMA) for an external 2.4GHz antenna, as the module itself does not have a connector. Consult the ESP32-S3 hardware design guidelines for exact matching circuit values.

What is the pinout compatibility of this module?

The ESP32-S3-MOD-8M module is pin-to-pin compatible with the popular ESP32-S3-WROOM-1 module. This means you can directly replace one with the other on your PCB without any layout changes, assuming your design follows the standard WROOM-1 footprint. This compatibility is a significant advantage for prototyping with a WROOM-1 development board and then migrating to the more compact MOD-8M for final production, streamlining the entire hardware development cycle.

Package Includes

  • 1 x ESP32-S3-MOD-8M Module

Additional Information

Weight 0.003 kg
Dimensions 1.92 × 1.8 cm

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